Police are investigating after a man's body was found in the Blue Mountains overnight.
Just before 3.15am on January 26, police were called to Yileena Avenue, Lawson, after a man's body was found inside a vehicle parked on the road.
The man, believed to be aged in his 40s, is yet to be formally identified.
Officers from Blue Mountains Police Area Command established a crime scene, which will be examined by forensic officers.
An investigation in underway into the circumstances surrounding the man's death, which is being treated as suspicious at this stage.
A post mortem examination will be conducted to determine the cause of death.